Implantation normally occurs
A) in the oviduct.
B) about 3 days after fertilization.
C) during the secretory, or progestational, phase.
D) both (b) and (c) above.
E) all of these answers.

Question

Quizplus · Accepted Answer

Implantation typically occurs during the secretory phase of the menstrual cycle, which is characterized by the presence of progesterone. This phase prepares the uterine lining for implantation.

Implantation Normally Occurs